✅ Long staple, mercerized 100% cotton thread. Perfect for quitling and sewing ✅ This all purpose thread is the standard for hand and machine quilting ✅ Excellent for general sewing, piecing, applique, serging and embroidery ✅ 1000M spools are available in 40 different shades ✅ 50/3ply. Strong and low lint. The best cotton sewing thread you can buy. Long staple, mercerized 100% cotton thread. This all purpose thread is the standard for hand and machine quilting. It is also excellent for general sewing, piecing, applique, serging and embroidery. This color assortment features the most popular shades for hand or machine quilting. 50/3ply, strong, and low lint. 1000M spools are available in 40 different shades.